If you want to search for PCT and EP applications that were not issued as
patents, you can use the database Inpadoc. Search for the EP and PCT
applications (S PC=EP or PC=WO) your client is interested in. (On Dialog you
can use the MAP command to easily transfer patentnumbers, relevant for a
specific topic, found in Derwent World Patent Index, to Inpadoc). Full
records in Inpadoc contain legal status data, including a code that
indicates the stage of publication of the document, f.e. GB PG PATENT
GRANTED (Note: full records are quite expensive).
Codes description for European (EP) documents in EPIDOS-INPADOC PRS are
located on http://www.european-patent-office.org/inpadoc/prs_description.htm
and (incomplete)
http://www.patent-inf.tu-ilmenau.de/patonline/info_dokuarten.html.
I hope this is an answer to your question?
Yvonne
ir Y.S. Abeln, subject librarian, Library Wageningen Agricultural
University/Pudoc-DLO
http://www.agralin.nl/genref/patent.html
office: Library CPRO-DLO, Droevendaalsesteeg 1, 6708 PB Wageningen
telephone: +31 317 477318
fax: +31 317 418094
email: yvonne.abeln@pd.bib.wau.nl or y.s.abeln@cpro.dlo.nl